One thousand dollars a month is not a fortune but would help cover my living .
A. bills
B. expenses
C. prices
D. charges
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A. bills
(答案→)B. expenses
C. prices
D. charges
解析：考查名词：A. bills账单B. expenses费用，开销C. prices价格D. charges要价，句意：一千美元一个月不是一大笔钱，但也够我日常开销了。选B。